package com.tj;

import java.util.Enumeration;

import java.util.Properties;

public class MyClass implements Cloneable {

    public static void main(String[] args) {

        //获得所有的系统属性

        Properties props = System.getProperties();

        //所有的枚举类型系统属性

        Enumeration e = props.propertyNames();

        for (; e.hasMoreElements();) {

            //获取属性名称

            String propName = (String) e.nextElement();

            //获取属性值

            String propValue = props.getProperty(propName);

            System.out.println("name=" + propName + "\t" + propValue);

        }

    }

}